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Fencer Intel
critical 9.8

CVE-2018-12549 json

In Eclipse OpenJ9 version 0.11.0, the OpenJ9 JIT compiler may incorrectly omit a null check on the receiver object of an Unsafe call when a…

published 7y ago modified 4mo ago also EUVD-2018-4509

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

In Eclipse OpenJ9 version 0.11.0, the OpenJ9 JIT compiler may incorrectly omit a null check on the receiver object of an Unsafe call when accelerating it.

Patch / fix

  • java-1.8.0-ibm RHEL 8 1:1.8.0.5.35-3.el8_0
  • java-1.8.0-ibm-src RHEL 8 1:1.8.0.5.35-3.el8_0
  • java-1.8.0-ibm-demo RHEL 8 1:1.8.0.5.35-3.el8_0
  • java-1.8.0-ibm-jdbc RHEL 8 1:1.8.0.5.35-3.el8_0
  • java-1.8.0-ibm-plugin RHEL 8 1:1.8.0.5.35-3.el8_0
  • java-1.8.0-ibm-headless RHEL 8 1:1.8.0.5.35-3.el8_0
  • java-1.8.0-ibm-webstart RHEL 8 1:1.8.0.5.35-3.el8_0
  • java-1.8.0-ibm RHEL 6 EXTRAS, network satellite 5.8 1:1.8.0.5.30-1jpp.1.el6_10

red hat advisories RHSA-2019:1238RHSA-2019:0469RHSA-2019:0640RHSA-2019:0472

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-12549 updated cvss 9.8

JDK: missing null check when accelerating Unsafe calls

  • Red Hat Enterprise Linux 8 Supplementary java-1.8.0-ibm 1.8.0.5.35-3.el8_0, java-1.8.0-ibm-src 1.8.0.5.35-3.el8_0, java-1.8.0-ibm-demo 1.8.0.5.35-3.el8_0, java-1.8.0-ibm-jdbc 1.8.0.5.35-3.el8_0, java-1.8.0-ibm-plugin 1.8.0.5.35-3.el8_0, java-1.8.0-ibm-headless 1.8.0.5.35-3.el8_0, +1 more
    fixed: vendor fix RHSA-2019:1238
  • Red Hat Enterprise Linux Client Supplementary (v. 7) java-1.8.0-ibm 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-src 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-demo 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-jdbc 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-plugin 1.8.0.5.30-1jpp.1.el7 Red Hat Enterprise Linux ComputeNode Supplementary (v. 7) java-1.8.0-ibm 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-src 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-demo 1.8.0.5.30-1jpp.1.el7
    fixed: vendor fix RHSA-2019:0472
  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) java-1.8.0-ibm 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-src 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-demo 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-jdbc 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-plugin 1.8.0.5.30-1jpp.1.el6_10 Red Hat Enterprise Linux HPC Node Supplementary (v. 6) java-1.8.0-ibm 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-src 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-demo 1.8.0.5.30-1jpp.1.el6_10 Red Hat Enterprise Linux Server Supplementary (v. 6) java-1.8.0-ibm 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-src 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-demo 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-jdbc 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-plugin 1.8.0.5.30-1jpp.1.el6_10
    fixed: vendor fix RHSA-2019:0469
  • Red Hat Enterprise Linux Server Supplementary (v. 7) java-1.8.0-ibm 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-src 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-demo 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-jdbc 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-plugin 1.8.0.5.30-1jpp.1.el7
    fixed: vendor fix RHSA-2019:0472
  • Red Hat Enterprise Linux Workstation Supplementary (v. 6) java-1.8.0-ibm 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-src 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-demo 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-jdbc 1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-plugin 1.8.0.5.30-1jpp.1.el6_10
    fixed: vendor fix RHSA-2019:0469
  • Red Hat Enterprise Linux Workstation Supplementary (v. 7) java-1.8.0-ibm 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-src 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-demo 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-jdbc 1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-plugin 1.8.0.5.30-1jpp.1.el7
    fixed: vendor fix RHSA-2019:0472
  • Red Hat Satellite 5.8 (RHEL v.6) java-1.8.0-ibm 1.8.0.5.30-1jpp.1.el6_10
    fixed: vendor fix RHSA-2019:0640
  • Red Hat Enterprise Linux 6 java-1.7.1-ibm, java-1.7.1-ibm-src, java-1.7.1-ibm-demo, java-1.7.1-ibm-jdbc, java-1.7.1-ibm-plugin Red Hat Enterprise Linux 7 java-1.7.1-ibm, java-1.7.1-ibm-src, java-1.7.1-ibm-demo, java-1.7.1-ibm-jdbc, java-1.7.1-ibm-plugin
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.33% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • The Eclipse Foundation Eclipse OpenJ9

Classification

Weakness
  • CWE-111 Direct Use of Unsafe JNI
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.